8137642 has 8 divisors (see below), whose sum is σ = 12225600. Its totient is φ = 4062444.

The previous prime is 8137631. The next prime is 8137651. The reversal of 8137642 is 2467318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (1528200).

Almost surely, 2^8137642 is an apocalyptic number.

8137642 is a deficient number, since it is larger than the sum of its proper divisors (4087958).

8137642 is a wasteful number, since it uses less digits than its factorization.

8137642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380.

The product of its digits is 8064, while the sum is 31.

The square root of 8137642 is about 2852.6552543201. The cubic root of 8137642 is about 201.1405005961.

It can be divided in two parts, 81376 and 42, that added together give a palindrome (81418).

The spelling of 8137642 in words is "eight million, one hundred thirty-seven thousand, six hundred forty-two".